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author | csharptest <roger@csharptest.net> | 2011-05-20 15:15:34 -0500 |
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committer | rogerk <devnull@localhost> | 2011-05-20 15:15:34 -0500 |
commit | 71f662c33e9938951eec3da97140aed25aa815d7 (patch) | |
tree | c322e13686cad5c8bff9e54d7585fc8e4adf6537 /src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs | |
parent | d965c666ecf405f4e997ab251e72551508a14678 (diff) | |
download | protobuf-71f662c33e9938951eec3da97140aed25aa815d7.tar.gz protobuf-71f662c33e9938951eec3da97140aed25aa815d7.tar.bz2 protobuf-71f662c33e9938951eec3da97140aed25aa815d7.zip |
reformatted all code to .NET standard formatting
Diffstat (limited to 'src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs')
-rw-r--r-- | src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs | 260 |
1 files changed, 136 insertions, 124 deletions
diff --git a/src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs b/src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs index 43036f94..31ebde06 100644 --- a/src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs +++ b/src/ProtocolBuffers/FieldAccess/ReflectionUtil.cs @@ -1,124 +1,136 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// http://github.com/jskeet/dotnet-protobufs/ -// Original C++/Java/Python code: -// http://code.google.com/p/protobuf/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -using System; -using System.Reflection; - -namespace Google.ProtocolBuffers.FieldAccess { - - /// <summary> - /// The methods in this class are somewhat evil, and should not be tampered with lightly. - /// Basically they allow the creation of relatively weakly typed delegates from MethodInfos - /// which are more strongly typed. They do this by creating an appropriate strongly typed - /// delegate from the MethodInfo, and then calling that within an anonymous method. - /// Mind-bending stuff (at least to your humble narrator) but the resulting delegates are - /// very fast compared with calling Invoke later on. - /// </summary> - internal static class ReflectionUtil { - - /// <summary> - /// Creates a delegate which will execute the given method and then return - /// the result as an object. - /// </summary> - public static Func<T, object> CreateUpcastDelegate<T>(MethodInfo method) { - - // The tricky bit is invoking CreateCreateUpcastDelegateImpl with the right type parameters - MethodInfo openImpl = typeof(ReflectionUtil).GetMethod("CreateUpcastDelegateImpl"); - MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof(T), method.ReturnType); - return (Func<T, object>) closedImpl.Invoke(null, new object[] { method }); - } - - /// <summary> - /// Method used solely for implementing CreateUpcastDelegate. Public to avoid trust issues - /// in low-trust scenarios, e.g. Silverlight. - /// TODO(jonskeet): Check any of this actually works in Silverlight... - /// </summary> - public static Func<TSource, object> CreateUpcastDelegateImpl<TSource, TResult>(MethodInfo method) { - // Convert the reflection call into an open delegate, i.e. instead of calling x.Method() - // we'll call getter(x). - Func<TSource, TResult> getter = (Func<TSource, TResult>)Delegate.CreateDelegate(typeof(Func<TSource, TResult>), null, method); - - // Implicit upcast to object (within the delegate) - return delegate(TSource source) { return getter(source); }; - } - - /// <summary> - /// Creates a delegate which will execute the given method after casting the parameter - /// down from object to the required parameter type. - /// </summary> - public static Action<T, object> CreateDowncastDelegate<T>(MethodInfo method) { - MethodInfo openImpl = typeof(ReflectionUtil).GetMethod("CreateDowncastDelegateImpl"); - MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof(T), method.GetParameters()[0].ParameterType); - return (Action<T, object>) closedImpl.Invoke(null, new object[] { method }); - } - - public static Action<TSource, object> CreateDowncastDelegateImpl<TSource, TParam>(MethodInfo method) { - // Convert the reflection call into an open delegate, i.e. instead of calling x.Method(y) we'll - // call Method(x, y) - Action<TSource, TParam> call = (Action<TSource, TParam>) Delegate.CreateDelegate(typeof(Action<TSource, TParam>), null, method); - - return delegate(TSource source, object parameter) { call(source, (TParam)parameter); }; - } - - /// <summary> - /// Creates a delegate which will execute the given method after casting the parameter - /// down from object to the required parameter type. - /// </summary> - public static Action<T, object> CreateDowncastDelegateIgnoringReturn<T>(MethodInfo method) { - MethodInfo openImpl = typeof(ReflectionUtil).GetMethod("CreateDowncastDelegateIgnoringReturnImpl"); - MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof(T), method.GetParameters()[0].ParameterType, method.ReturnType); - return (Action<T, object>)closedImpl.Invoke(null, new object[] { method }); - } - - public static Action<TSource, object> CreateDowncastDelegateIgnoringReturnImpl<TSource, TParam, TReturn>(MethodInfo method) { - // Convert the reflection call into an open delegate, i.e. instead of calling x.Method(y) we'll - // call Method(x, y) - Func<TSource, TParam, TReturn> call = (Func<TSource, TParam, TReturn>) - Delegate.CreateDelegate(typeof(Func<TSource, TParam, TReturn>), null, method); - - return delegate(TSource source, object parameter) { call(source, (TParam)parameter); }; - } - - /// <summary> - /// Creates a delegate which will execute the given static method and cast the result up to IBuilder. - /// </summary> - public static Func<IBuilder> CreateStaticUpcastDelegate(MethodInfo method) { - MethodInfo openImpl = typeof(ReflectionUtil).GetMethod("CreateStaticUpcastDelegateImpl"); - MethodInfo closedImpl = openImpl.MakeGenericMethod(method.ReturnType); - return (Func<IBuilder>)closedImpl.Invoke(null, new object[] { method }); - } - - public static Func<IBuilder> CreateStaticUpcastDelegateImpl<T>(MethodInfo method) { - Func<T> call = (Func<T>)Delegate.CreateDelegate(typeof(Func<T>), null, method); - return delegate { return (IBuilder)call(); }; - } - } -} +// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+using System;
+using System.Reflection;
+
+namespace Google.ProtocolBuffers.FieldAccess
+{
+ /// <summary>
+ /// The methods in this class are somewhat evil, and should not be tampered with lightly.
+ /// Basically they allow the creation of relatively weakly typed delegates from MethodInfos
+ /// which are more strongly typed. They do this by creating an appropriate strongly typed
+ /// delegate from the MethodInfo, and then calling that within an anonymous method.
+ /// Mind-bending stuff (at least to your humble narrator) but the resulting delegates are
+ /// very fast compared with calling Invoke later on.
+ /// </summary>
+ internal static class ReflectionUtil
+ {
+ /// <summary>
+ /// Creates a delegate which will execute the given method and then return
+ /// the result as an object.
+ /// </summary>
+ public static Func<T, object> CreateUpcastDelegate<T>(MethodInfo method)
+ {
+ // The tricky bit is invoking CreateCreateUpcastDelegateImpl with the right type parameters
+ MethodInfo openImpl = typeof (ReflectionUtil).GetMethod("CreateUpcastDelegateImpl");
+ MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof (T), method.ReturnType);
+ return (Func<T, object>) closedImpl.Invoke(null, new object[] {method});
+ }
+
+ /// <summary>
+ /// Method used solely for implementing CreateUpcastDelegate. Public to avoid trust issues
+ /// in low-trust scenarios, e.g. Silverlight.
+ /// TODO(jonskeet): Check any of this actually works in Silverlight...
+ /// </summary>
+ public static Func<TSource, object> CreateUpcastDelegateImpl<TSource, TResult>(MethodInfo method)
+ {
+ // Convert the reflection call into an open delegate, i.e. instead of calling x.Method()
+ // we'll call getter(x).
+ Func<TSource, TResult> getter =
+ (Func<TSource, TResult>) Delegate.CreateDelegate(typeof (Func<TSource, TResult>), null, method);
+
+ // Implicit upcast to object (within the delegate)
+ return delegate(TSource source) { return getter(source); };
+ }
+
+ /// <summary>
+ /// Creates a delegate which will execute the given method after casting the parameter
+ /// down from object to the required parameter type.
+ /// </summary>
+ public static Action<T, object> CreateDowncastDelegate<T>(MethodInfo method)
+ {
+ MethodInfo openImpl = typeof (ReflectionUtil).GetMethod("CreateDowncastDelegateImpl");
+ MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof (T), method.GetParameters()[0].ParameterType);
+ return (Action<T, object>) closedImpl.Invoke(null, new object[] {method});
+ }
+
+ public static Action<TSource, object> CreateDowncastDelegateImpl<TSource, TParam>(MethodInfo method)
+ {
+ // Convert the reflection call into an open delegate, i.e. instead of calling x.Method(y) we'll
+ // call Method(x, y)
+ Action<TSource, TParam> call =
+ (Action<TSource, TParam>) Delegate.CreateDelegate(typeof (Action<TSource, TParam>), null, method);
+
+ return delegate(TSource source, object parameter) { call(source, (TParam) parameter); };
+ }
+
+ /// <summary>
+ /// Creates a delegate which will execute the given method after casting the parameter
+ /// down from object to the required parameter type.
+ /// </summary>
+ public static Action<T, object> CreateDowncastDelegateIgnoringReturn<T>(MethodInfo method)
+ {
+ MethodInfo openImpl = typeof (ReflectionUtil).GetMethod("CreateDowncastDelegateIgnoringReturnImpl");
+ MethodInfo closedImpl = openImpl.MakeGenericMethod(typeof (T), method.GetParameters()[0].ParameterType,
+ method.ReturnType);
+ return (Action<T, object>) closedImpl.Invoke(null, new object[] {method});
+ }
+
+ public static Action<TSource, object> CreateDowncastDelegateIgnoringReturnImpl<TSource, TParam, TReturn>(
+ MethodInfo method)
+ {
+ // Convert the reflection call into an open delegate, i.e. instead of calling x.Method(y) we'll
+ // call Method(x, y)
+ Func<TSource, TParam, TReturn> call = (Func<TSource, TParam, TReturn>)
+ Delegate.CreateDelegate(typeof (Func<TSource, TParam, TReturn>), null,
+ method);
+
+ return delegate(TSource source, object parameter) { call(source, (TParam) parameter); };
+ }
+
+ /// <summary>
+ /// Creates a delegate which will execute the given static method and cast the result up to IBuilder.
+ /// </summary>
+ public static Func<IBuilder> CreateStaticUpcastDelegate(MethodInfo method)
+ {
+ MethodInfo openImpl = typeof (ReflectionUtil).GetMethod("CreateStaticUpcastDelegateImpl");
+ MethodInfo closedImpl = openImpl.MakeGenericMethod(method.ReturnType);
+ return (Func<IBuilder>) closedImpl.Invoke(null, new object[] {method});
+ }
+
+ public static Func<IBuilder> CreateStaticUpcastDelegateImpl<T>(MethodInfo method)
+ {
+ Func<T> call = (Func<T>) Delegate.CreateDelegate(typeof (Func<T>), null, method);
+ return delegate { return (IBuilder) call(); };
+ }
+ }
+}
\ No newline at end of file |